From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07A37C43381 for ; Mon, 25 Feb 2019 21:22:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB44C21873 for ; Mon, 25 Feb 2019 21:22:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551129745; bh=Ms+oDTMzEOeHJ2siPGOJBE6a0cmeE9JMoJ1gl8YRP5Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FdyZ1MMz70mZNA8H+w1ZZgiNZ0XSM4TF1oYCydqHk6T4xXoSO11UCz+aD8HoknscL RV3YgLhiCD7tFGv5w/DnPyJrmu3aoc3f0zhDS79fXLH5E6o2MW6B3GDJHLfaHYHKWr uzURoS/AmQAbGBAD3NHb1S3bAhtRxBPfIUQvYu5w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730861AbfBYVWY (ORCPT ); Mon, 25 Feb 2019 16:22:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:56404 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730064AbfBYVWT (ORCPT ); Mon, 25 Feb 2019 16:22:19 -0500 Received: from quaco.ghostprotocols.net (179-240-165-120.3g.claro.net.br [179.240.165.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3299421852; Mon, 25 Feb 2019 21:22:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551129738; bh=Ms+oDTMzEOeHJ2siPGOJBE6a0cmeE9JMoJ1gl8YRP5Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fn+jRcM56mkvFTow/COceEeBybmQhqheQfmhMmin1Ev3sd+9vMD3O5Xbg+5dH+CVN Ig0JjPV7+ICaIbbBP4DykQKmztNUE4tkS/7oZOYQx4+B9p+Icf+6RpVY1yKe4pYxfk cYhsAx89JO182HQYjvDj7v/rySfrzz5UsWtsv+Mg= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Alexander Shishkin , Alexey Budankov , Andi Kleen , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 24/37] perf data: Add perf_data__(create_dir|close_dir) functions Date: Mon, 25 Feb 2019 18:20:22 -0300 Message-Id: <20190225212035.24781-25-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190225212035.24781-1-acme@kernel.org> References: <20190225212035.24781-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa Add perf_data__create_dir() to create nr files inside 'struct perf_data' path directory: int perf_data__create_dir(struct perf_data *data, int nr); and function to close that data: void perf_data__close_dir(struct perf_data *data); Signed-off-by: Jiri Olsa Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Andi Kleen Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/20190224190656.30163-9-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/data.c | 47 ++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/data.h | 8 +++++++ 2 files changed, 55 insertions(+) diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index d008c3973012..005b3909d1dc 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -7,11 +7,58 @@ #include #include #include +#include #include "data.h" #include "util.h" #include "debug.h" +static void close_dir(struct perf_data_file *files, int nr) +{ + while (--nr >= 1) { + close(files[nr].fd); + free(files[nr].path); + } + free(files); +} + +void perf_data__close_dir(struct perf_data *data) +{ + close_dir(data->dir.files, data->dir.nr); +} + +int perf_data__create_dir(struct perf_data *data, int nr) +{ + struct perf_data_file *files = NULL; + int i, ret = -1; + + files = zalloc(nr * sizeof(*files)); + if (!files) + return -ENOMEM; + + data->dir.files = files; + data->dir.nr = nr; + + for (i = 0; i < nr; i++) { + struct perf_data_file *file = &files[i]; + + if (asprintf(&file->path, "%s/data.%d", data->path, i) < 0) + goto out_err; + + ret = open(file->path, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR); + if (ret < 0) + goto out_err; + + file->fd = ret; + } + + return 0; + +out_err: + close_dir(files, i); + return ret; +} + static bool check_pipe(struct perf_data *data) { struct stat st; diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h index 2bce28117ccf..2d0d015a7d4d 100644 --- a/tools/perf/util/data.h +++ b/tools/perf/util/data.h @@ -21,6 +21,11 @@ struct perf_data { bool is_pipe; bool force; enum perf_data_mode mode; + + struct { + struct perf_data_file *files; + int nr; + } dir; }; static inline bool perf_data__is_read(struct perf_data *data) @@ -64,4 +69,7 @@ ssize_t perf_data_file__write(struct perf_data_file *file, int perf_data__switch(struct perf_data *data, const char *postfix, size_t pos, bool at_exit); + +int perf_data__create_dir(struct perf_data *data, int nr); +void perf_data__close_dir(struct perf_data *data); #endif /* __PERF_DATA_H */ -- 2.20.1